Non-dimensionlised mesh size approximation -- CFD Online Discussion Forums

December 4, 2013, 19:43	Non-dimensionlised mesh size approximation	#1
Darren Leong Member Darren Leong Join Date: Dec 2010 Posts: 64 Rep Power: 15	Hi CFDers!, Has anyone come across approximation formulas for grid sizes. For example, we have the classic y+ equation for the first node height for near wall modelling. Are there similar approximations (delta x,y,z plus?) for near- & farfield region; e.g. based on the turbulence kinetic energy, pressure gradient etc. Thanks!

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